Acompany produces items in small batches. the machinery needs to warm up before the items can be produced. the scatterplot shows the time needed to produce batches of different numbers of items. line of best fit= y=8x+20 based on the line of best fit, which of the following statements is true? a. as the number of items in a batch increases by 1, the production time increases by 8 minutes. b. it takes about 60 minutes for the equipment to warm up c. it takes about 44 minutes for the equipment to warm up. d. as the number of items in a batch increases by 1, the production time increases by 20 minutes.